#!/usr/bin/python


class Person:
	def sayHi(self):
		print 'Hello world';

p = Person()
p.sayHi();


class P:
	def __init__(self,name):
		self.name=name;
	def sayHi(self):
		print 'Hello,',self.name;	


p = P('zzw');
p.sayHi();

